powerpc/kvm/book3s_hv_p9_perf.c

35 void switch_pmu_to_guest(struct kvm_vcpu *vcpu,
41 	lp = vcpu->arch.vpa.pinned_addr;
87 	if (load_pmu || (vcpu->arch.hfscr & HFSCR_PM)) {
88 		mtspr(SPRN_PMC1, vcpu->arch.pmc[0]);
89 		mtspr(SPRN_PMC2, vcpu->arch.pmc[1]);
90 		mtspr(SPRN_PMC3, vcpu->arch.pmc[2]);
91 		mtspr(SPRN_PMC4, vcpu->arch.pmc[3]);
92 		mtspr(SPRN_PMC5, vcpu->arch.pmc[4]);
93 		mtspr(SPRN_PMC6, vcpu->arch.pmc[5]);
94 		mtspr(SPRN_MMCR1, vcpu->arch.mmcr[1]);
95 		mtspr(SPRN_MMCR2, vcpu->arch.mmcr[2]);
96 		mtspr(SPRN_SDAR, vcpu->arch.sdar);
97 		mtspr(SPRN_SIAR, vcpu->arch.siar);
98 		mtspr(SPRN_SIER, vcpu->arch.sier[0]);
101 			mtspr(SPRN_MMCR3, vcpu->arch.mmcr[3]);
102 			mtspr(SPRN_SIER2, vcpu->arch.sier[1]);
103 			mtspr(SPRN_SIER3, vcpu->arch.sier[2]);
107 		mtspr(SPRN_MMCRA, vcpu->arch.mmcra);
108 		mtspr(SPRN_MMCR0, vcpu->arch.mmcr[0]);
111 		if (!vcpu->arch.nested &&
112 		    (vcpu->arch.hfscr_permitted & HFSCR_PM))
113 			vcpu->arch.hfscr |= HFSCR_PM;
118 void switch_pmu_to_host(struct kvm_vcpu *vcpu,
124 	lp = vcpu->arch.vpa.pinned_addr;
133 		save_pmu |= nesting_enabled(vcpu->kvm);
137 		vcpu->arch.mmcr[0] = mfspr(SPRN_MMCR0);
138 		vcpu->arch.mmcra = mfspr(SPRN_MMCRA);
140 		freeze_pmu(vcpu->arch.mmcr[0], vcpu->arch.mmcra);
142 		vcpu->arch.pmc[0] = mfspr(SPRN_PMC1);
143 		vcpu->arch.pmc[1] = mfspr(SPRN_PMC2);
144 		vcpu->arch.pmc[2] = mfspr(SPRN_PMC3);
145 		vcpu->arch.pmc[3] = mfspr(SPRN_PMC4);
146 		vcpu->arch.pmc[4] = mfspr(SPRN_PMC5);
147 		vcpu->arch.pmc[5] = mfspr(SPRN_PMC6);
148 		vcpu->arch.mmcr[1] = mfspr(SPRN_MMCR1);
149 		vcpu->arch.mmcr[2] = mfspr(SPRN_MMCR2);
150 		vcpu->arch.sdar = mfspr(SPRN_SDAR);
151 		vcpu->arch.siar = mfspr(SPRN_SIAR);
152 		vcpu->arch.sier[0] = mfspr(SPRN_SIER);
155 			vcpu->arch.mmcr[3] = mfspr(SPRN_MMCR3);
156 			vcpu->arch.sier[1] = mfspr(SPRN_SIER2);
157 			vcpu->arch.sier[2] = mfspr(SPRN_SIER3);
160 	} else if (vcpu->arch.hfscr & HFSCR_PM) {
182 		if (!vcpu->arch.nested)
183 			vcpu->arch.hfscr &= ~HFSCR_PM;